Auth bypass in Openclaw
CVE-2026-35645
OpenClaw before 2026.3.25 contains a privilege escalation vulnerability in the gateway plugin subagent fallback deleteSession function that uses a synthetic operator.admin runtime scope. Attackers can exploit this by triggering session deletion without a request-scoped client to execute privileged operations with unintended administrative scope.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (41.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Openclaw — versions 0, 2026.3.25
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-h4jx-hjr3-fhgc (vendor-advisory, Vendor Advisory, third-party-advisory)
- github.com/openclaw/openclaw/commit/b5d785f1a59a56c3471f2cef328f7c9a6c15f3e7 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-privilege-escalation-via-synthetic-operat… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-35645?
- CVE-2026-35645 is a high-severity vulnerability in Openclaw, classified under CWE-648. CVSS score: 8.1/10. Published 2026-04-09.
- How severe is CVE-2026-35645?
- High severity. CVSS v3 base score is 8.1 out of 10.